Color

#263a6e

#263a6e
hex#263a6e
rgbrgb(38, 58, 110)
hslhsl(223, 49%, 29%)
oklchoklch(0.361 0.093 266)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0456

Colors that go with #263a6e

Steel Blue, Blue and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6e5a26

#265e6e · #35266e

#6e263a · #3a6e26

Split-complementary

Open in tool →

#6e3526 · #5e6e26

#6e265e · #6e5a26 · #266e35

Contrast

#263a6e as textRatioAAAA largeAAAFix
Aaon white
10.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #5474c4 as the text (4.67:1)
  • AAA: use #7e96d3 as the text (7.19:1)
  • AA: or shift the background to #a6a6a6 (4.51:1)
  • AAA: or shift the background to #cfcfcf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263a6e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#263a6e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263a6e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #263a6e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263a6e-9ca3c4-df704e-211f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md